Extreme Networks 200 Series User Manual
Page 35
Connecting Equipment to the Console Port
Summit 200 Series Switch Installation and User Guide
33
Appropriate cables are available from your local supplier. To make your own cables, pinouts for a DB-9
male console connector are described in Table 10.
Figure 9 shows the pin-outs for a 9-pin to RS-232 25-pin null-modem cable.
Figure 9: Null-modem cable pin-outs
Figure 10 shows the pin-outs for a 9-pin to 9-pin PC-AT null-modem serial cable.
Figure 10: PC-AT serial null-modem cable pin-outs
Table 10: Console Connector Pinouts
Function
Pin Number
Direction
DCD (data carrier detect)
1
In
RXD (receive data)
2
In
TXD (transmit data)
3
Out
DTR (data terminal ready)
4
Out
GND (ground)
5
—
DSR (data set ready)
6
In
RTS (request to send)
7
Out
CTS (clear to send
8
In
Screen
TxD
RxD
Ground
RTS
CTS
DSR
DCD
DTR
Cable connector: 9-pin female
Summit
Cable connector: 25-pin male/female
PC/Terminal
Screen
RxD
TxD
Ground
RTS
DTR
CTS
DSR
DCD
Shell
3
2
5
7
8
6
1
4
1
3
2
7
4
20
5
6
8
ser_sum1
Screen
DTR
TxD
RxD
CTS
Ground
DSR
RTS
DCD
Cable connector: 9-pin female
Summit
Cable connector: 9-pin female
PC-AT Serial Port
Screen
DCD
RxD
TxD
DTR
Ground
DSR
RTS
CTS
Shell
4
3
2
8
5
6
7
1
Shell
1
2
3
4
5
6
7
8
ser_sum2